Row sums of positive (or negated negative) entries in triangle A293107.

A293124

Row sums of positive (or negated negative) entries in triangle A293107.

Terms

    a(0) =6a(1) =140a(2) =2044a(3) =26904a(4) =711128a(5) =24292424a(6) =68623832a(7) =6958022480a(8) =410351498320a(9) =131272757064

External references